const Koa = require('koa');
const app = new Koa();

const main = (ctx) => {
    const n = Number(ctx.cookies.get('view') || 0) + 1
    ctx.cookies.set('view', n)
    ctx.body = n + 'view'
    
}

app.use(main)

app.listen(3000, () => {
    console.log('项目运行在3000端口')
})